Plain
Plain adjective - Free from all additions or embellishment.
Undubitable and plain are semantically related In some cases you can use "Undubitable" instead an adjective "Plain".
Undubitable
Plain and undubitable are semantically related in exact topic. Sometimes you can use "Plain" instead an adjective "Undubitable".
Mutual synonyms
Related pairs
Cite this Source
Undubitable and Plain. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/plain/undubitable
Plain & Undubitable. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/plain/undubitable>.
Undubitable or Plain. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/plain/undubitable.
Google Ngram Viewer shows how "plain" and "undubitable" have occurred on timeline